<template>
  <view class="login-container">
    <!-- 提示登录的图标 -->
    <uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
    <!-- 登录按钮 -->
    <button type="primary" class="btn-login" @click="getUserInfo">一键登录</button>
    <!-- 登录提示 -->
    <view class="tips-text">登录后尽享更多权益</view>
  </view>
</template>

<script>
  import { mapMutations, mapState } from 'vuex'
  export default {
    name:"my-login",
    data() {
      return {
        
      };
    },
    computed: {
      ...mapState('m_user', ['redirectInfo']),
    },
    methods: {
      ...mapMutations('m_user', ['updateUserinfo', 'updateToken', 'updateAddress', 'updateRedirectInfo']),
      async getUserInfo() {
        // 拿到用户信息
        const [err, userProfile] = await uni.getUserProfile({
          desc: '登录'
        })
        this.updateUserinfo(userProfile.userInfo)
        this.getToken(userProfile)
      },
      async getToken(info) {
        const [err, res] = await uni.login().catch(err => err)
        if (err || res.errMsg !== "login:ok") return uni.$showError('登录失败！')
        // 准备参数对象
        const query = {
          code: res.code,
          encryptedData: info.encryptedData,
          iv: info.iv,
          rawData: info.rawData,
          signature: info.signature
        }
        // 换取 token
        uni.$http.baseUrl = 'http://127.0.0.1:3000'
        const { data: loginResult } = await uni.$http.post('/login', query)
        uni.$showMsg('登录成功')
        uni.$http.baseUrl = 'https://www.uinav.com'
        this.updateToken(loginResult.token)
        
        this.navigateBack()
      },
      navigateBack() {
        if (this.redirectInfo && this.redirectInfo.openType === 'switchTab') {
          uni.switchTab({
            url: this.redirectInfo.from,
            success: () => {
              this.updateRedirectInfo(null)
            }
          })
        }
      }
    }
  }
  //eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo
</script>

<style lang="scss">
.login-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 750rpx;
  position: relative;
  overflow: hidden;
  background-color: #f8f8f8;
  &::after {
    content: '';
    display: block;
    width: 100%;
    height: 40px;
    background-color: white;
    border-radius: 100%;
    position: absolute;
    bottom: 0;
    left: 0;
    transform: translateY(50%);
  }
  .btn-login {
    width: 90%;
    border-radius: 100px;
    background-color: #c00000;
    margin: 15px 0;
  }
  .tips-text {
    font-size: 12px;
    color: gray;
  }
}
</style>